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307007
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use strict; |
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323
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49
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use warnings; |
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449
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package Object::ForkAware; |
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# git description: v0.002-13-gf7cb9f7 |
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$Object::ForkAware::VERSION = '0.003'; |
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# ABSTRACT: Make an object aware of process forks and threads, recreating itself as needed |
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# KEYWORDS: process thread fork multiprocessing multithreading clone |
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# vim: set ts=8 sw=4 tw=78 et : |
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10
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10
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10
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50
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use Scalar::Util 'blessed'; |
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19
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10
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1126
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11
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10
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10
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8109
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use namespace::autoclean; |
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10
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213086
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10
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74
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12
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13
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sub new |
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{ |
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13
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13
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1
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1831442
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my ($class, %opts) = @_; |
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17
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13
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97
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my $self = {}; |
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13
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100
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155
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$self->{_create} = $opts{create} or die 'missing required option: create'; |
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12
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100
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80
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$self->{_on_fork} = $opts{on_fork} if exists $opts{on_fork}; |
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21
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12
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71
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$self = bless($self, $class); |
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23
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12
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100
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134
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$self->_create_obj($self->{_create}) if not $opts{lazy}; |
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25
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12
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50
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return $self; |
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} |
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28
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sub _create_obj |
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{ |
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15
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15
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53
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my ($self, $sub) = @_; |
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32
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15
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100
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170
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my $obj = $sub->( defined $self->{_obj} ? $self->{_obj} : () ); |
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14
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650
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$self->{_pid} = $$; |
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14
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50
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85
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$self->{_tid} = threads->tid if $INC{'threads.pm'}; |
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14
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67
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$self->{_obj} = $obj; |
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} |
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38
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sub _get_obj |
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{ |
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74
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74
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145
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my $self = shift; |
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42
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74
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100
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593
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return if not blessed $self; |
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49
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100
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100
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959
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if (not defined $self->{_pid} |
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0
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33
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66
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44
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or $$ != $self->{_pid} |
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or $INC{'threads.pm'} and ($self->{_tid} || 0) != threads->tid) |
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{ |
47
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8
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66
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218
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$self->_create_obj($self->{_on_fork} || $self->{_create}); |
48
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} |
49
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50
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48
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364
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return $self->{_obj}; |
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} |
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53
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sub isa |
54
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{ |
55
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23
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23
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0
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45773
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my ($self, $class) = @_; |
56
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23
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100
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547
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$self->SUPER::isa($class) || do { |
57
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19
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76
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my $obj = $self->_get_obj; |
58
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19
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100
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222
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$obj && $obj->isa($class); |
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}; |
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} |
61
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62
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sub can |
63
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{ |
64
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28
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28
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0
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9086
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my ($self, $method) = @_; |
65
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28
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100
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439
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$self->SUPER::can($method) || do { |
66
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17
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51
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my $obj = $self->_get_obj; |
67
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17
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100
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226
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$obj && $obj->can($method); |
68
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}; |
69
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} |
70
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71
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sub VERSION |
72
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{ |
73
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8
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8
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0
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1748
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my ($self, @args) = @_; |
74
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75
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8
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54
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my $obj = $self->_get_obj; |
76
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8
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100
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275
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return $obj |
77
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? $obj->VERSION(@args) |
78
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: $self->SUPER::VERSION(@args); |
79
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} |
80
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81
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our $AUTOLOAD; |
82
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sub AUTOLOAD |
83
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{ |
84
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30
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30
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21477
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my $self = shift; |
85
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86
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# Remove qualifier from original method name... |
87
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30
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330
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(my $called = $AUTOLOAD) =~ s/.*:://; |
88
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30
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108
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return $self->_get_obj->$called(@_); |
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} |
90
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91
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0
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0
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sub DESTROY {} # avoid calling AUTOLOAD at destruction time |
92
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93
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1; |
94
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95
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__END__ |